dxf参考手册
http://co.163.com/forum/content/1680_353223_1.htm
AutoCAD 群码表
http://bbs.co.163.com/content/0_1107292_1.html

VBA篇：

VBA入门语法实例
http://co.163.com/forum/content/1680_415185_1.htm
Autocad VBA初级教程
http://co.163.com/forum/content/1680_563487_1.htm
Excel与VBA程序设计
http://co.163.com/forum/content/1680_415184_1.htm
Excel2000VBA一册通
http://co.163.com/forum/content/1680_415188_1.htm
AutoCAD VBA开发精彩实例教程(含源码)
http://co.163.com/forum/content/1680_586596_1.htm
Autocad Activex/vba 二次开发技术基础及应用实例
http://co.163.com/forum/content/1680_667699_1.htm
vba教程程序源码举例
http://co.163.com/forum/content/1680_666978_1.htm

AutoLisp/VLisp篇：

AutoLisp Vlisp 函数.chm
http://co.163.com/forum/content/1680_244045_1.htm
Autolisp函数全集(中文)
http://co.163.com/forum/content/1680_95668_1.htm
AutoLisp语言的教程
http://co.163.com/forum/content/1680_399606_1.htm
vlisp for r14工具
http://co.163.com/forum/content/1680_244471_1.htm
lisp学习资料,实例带有祥细的注解(初学者请进)
http://co.163.com/forum/content/1680_251479_1.htm
vlex-lisp通用函数集
http://bbs.co.163.com/content/0_1107298_1.html

ObjectArx（C++）篇：

ObjectARX2006实例教程（C++）
http://co.163.com/forum/content/1680_250938_1.htm
AutoCAD2000ObjectARX编程指南
http://co.163.com/forum/content/1680_585826_1.htm
AutoCAD高级开发技术：ARX编程及应用
http://co.163.com/forum/content/1680_585839_1.htm
Visual C++ CAD 应用程序开发技术
http://co.163.com/forum/content/211_195571_1.htm
ObjectARX开发实例教程-20070715
http://co.163.com/forum/content/1680_824139_1.htm

[ 本帖最后由 biechen 于 2009-3-3 16:12 编辑 ]